Honda Civic manuals

Honda Civic Service Manual: Radiator Connecting Pipe Removal and Installation (K24Z7)

Honda Civic Service Manual / Powertrain / Engine / Engine Cooling / Radiator / Radiator Connecting Pipe Removal and Installation (K24Z7)

1141E7

1. Radiator Cap

1.

Wait until the engine is cool, then carefully remove the radiator cap.


2. Vehicle Lift

1.

Raise the vehicle on a lift, and make sure it is securely supported.


3. Radiator Coolant - Replacement

1.

Loosen the drain plug (A), and drain the coolant.


4. Air Cleaner Assembly


1.

Disconnect the intake air duct (A) and the intake air pipe (B).


2.

Remove the harness clamp (C).


3.

Remove the air cleaner (D).


5. Engine Cover

1.

Remove the engine cover.


6. Intake Air Duct

1.

Remove the intake air duct.


7. Throttle Body - Removal

1.

Disconnect the EVAP canister hose (A) and the brake booster vacuum hose (B).



2.

Disconnect the connector (A).


3.

Remove the harness clamps (B).


4.

Remove the throttle body without disconnecting the hoses.


8. Intake Manifold Assembly

1.

Remove the intake manifold bracket.


2.

Remove the intake manifold (A).


3.

Disconnect the PCV hose (A).


9. Radiator Connecting Pipe


1.

Disconnect the heater hose (A) and the water bypass hose (B).


2.

Remove the harness clamp (C) and the connecting pipe mounting bolt (D).


3.

Remove the harness clamps (A) and the connecting pipe (B).


1. Radiator Connecting Pipe


1.

Install the connecting pipe (A) with a new O-ring (B).


2.

Install the harness clamps (C).


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3.

Install the connecting pipe mounting bolt (A) and the harness clamp (B).


4.

Connect the heater hose (C) and the water bypass hose (D).


2. Intake Manifold Assembly

1.

Connect the PCV hose (A).


2.

Install the intake manifold (A) with new gaskets (B).


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3.

Install the intake manifold bracket.


3. Throttle Body - Installation

1.

Install the throttle body (A) with new gasket (B).



2.

Install the harness clamps (A).


3.

Connect the connector (B).


4.

Connect the EVAP canister hose (A) and the brake booster vacuum hose (B).


4. Intake Air Duct

1.

Install the intake air duct.


5. Engine Cover

1.

Install the engine cover.


6. Air Cleaner Assembly


1.

Install the air cleaner (A).


2.

Install the harness clamp (B).


3.

Connect the intake air pipe (C) and the intake air duct (D).


7. Tubes, Hoses, and Connectors After Installation Check

1.

After installation, check that all tubes, hoses, and connectors are installed correctly.


8. Radiator Coolant - Replacement

1.

Follow the chart and pour coolant into the radiator up to the base of the filler neck.


NOTE:

Use Honda Long Life Antifreeze/Coolant Type 2, and if necessary add Honda Extreme Cold Weather Antifreeze/Coolant Type 2 (concentrate). Using a non-Honda coolant can result in corrosion, causing the cooling system to malfunction or fail.

Honda Long Life Antifreeze/Coolant Type 2 is a mixture of 50 % antifreeze and 50 % water. Honda Extreme Cold Weather Antifreeze/Coolant Type 2 is a 100 % concentration coolant. Do not add water to either coolant.

If the vehicle is regularly driven in very low temperatures (below -22 °F ( -30 °C)), a 60 % concentration of coolant should be used.


Operation

Vehicle Usage (Desired Mixture)

Current Mixture

Coolant Drain

Add Amount of Honda Extreme Cold Weather Antifreeze/Coolant Type 2 (100 % concentrate)

Then add Honda Long Life Antifreeze/Coolant Type 2 (50/50)

Coolant Change

Normal Area (50/50)

50/50
60/40
unknown

Drain radiator, engine block, and reservoir

None

Top off the cooling system

Very Cold Area (60/40)

50/50
unknown

Drain radiator, engine block, and reservoir

About 1.3 L (44 fl oz)

60/40

About 1.2 L (41 fl oz)

Engine Overhaul

Normal Area (50/50)

-

-

None

Very Cold Area (60/40)

-

-

About 1.2 L (41 fl oz)

Coolant Winterizing

Very Cold Area (60/40)

50/50

Drain about 2.0 L (68 fl oz) from radiator

About 1.2 L (41 fl oz)

unknown*

Drain radiator, engine block, and reservoir


*: When you want to winterize the coolant with the minimum amount of coolant change but the current coolant concentration in the vehicle is unknown, you must drain all coolant from the cooling system.


Engine Coolant Capacities (Including the coolant reservoir capacity of 0.475 L (0.1255 US gal))


Except K24Z7 engine

 

Manufacturer

Capacity

At Coolant Change

DENSO

5.59 L (1.477 US gal)

TRAD

5.50 L (1.453 US gal)

After Engine Overhaul (M/T)

DENSO

6.42 L (1.696 US gal)

TRAD

6.33 L (1.672 US gal)

After Engine Overhaul (A/T)

DENSO

6.56 L (1.732 US gal)

TRAD

6.47 L (1.709 US gal)

After Engine Overhaul (CVT)

DENSO

6.52 L (1.722 US gal)

TRAD

6.43 L (1.699 US gal)


Engine Coolant Capacities (Including the coolant reservoir capacity of 0.475 L (0.1255 US gal))


K24Z7 engine

 

Capacity

At Coolant Change

5.5 L (1.45 US gal)

After Engine Overhaul

6.7 L (1.78 US gal)


9. Maintenance Minder Reset

1.

After doing all procedures, select the individual maintenance item you wish to reset with the HDS..


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